Buggy Rubber Tires + 5 Spoke Wheel Rim for RC HSP 1/10 Off-Road Pack of 4 It suitable for RC 1: 10 climbing car, off-road vehicle and so on Material: Plastic + Rubber Outer Diameter: 95mm/3.74" Wheel Diameter: 52 mm /2.05" Wheel Drive Hex: 12 mm/0.47"